@cantoo/pdf-lib/es/core/structures/PDFContentStream.js

Create and modify PDF files with JavaScript

import PDFFlateStream from './PDFFlateStream.js';
import CharCodes from '../syntax/CharCodes.js';
class PDFContentStream extends PDFFlateStream {
    constructor(dict, operators, encode = true) {
        super(dict, encode);
        this.operators = operators;
    }
    push(...operators) {
        this.operators.push(...operators);
    }
    clone(context) {
        const operators = new Array(this.operators.length);
        for (let idx = 0, len = this.operators.length; idx < len; idx++) {
            operators[idx] = this.operators[idx].clone(context);
        }
        const { dict, encode } = this;
        return PDFContentStream.of(dict.clone(context), operators, encode);
    }
    getContentsString() {
        let value = '';
        for (let idx = 0, len = this.operators.length; idx < len; idx++) {
            value += `${this.operators[idx]}\n`;
        }
        return value;
    }
    getUnencodedContents() {
        const buffer = new Uint8Array(this.getUnencodedContentsSize());
        let offset = 0;
        for (let idx = 0, len = this.operators.length; idx < len; idx++) {
            offset += this.operators[idx].copyBytesInto(buffer, offset);
            buffer[offset++] = CharCodes.Newline;
        }
        return buffer;
    }
    getUnencodedContentsSize() {
        let size = 0;
        for (let idx = 0, len = this.operators.length; idx < len; idx++) {
            size += this.operators[idx].sizeInBytes() + 1;
        }
        return size;
    }
}
PDFContentStream.of = (dict, operators, encode = true) => new PDFContentStream(dict, operators, encode);
export default PDFContentStream;
//# sourceMappingURL=PDFContentStream.js.map